diff --git a/Crypto/Number/F2m.hs b/Crypto/Number/F2m.hs
index 93b1f48..503c309 100644
--- a/Crypto/Number/F2m.hs
+++ b/Crypto/Number/F2m.hs
@@ -23,6 +23,7 @@ module Crypto.Number.F2m
 
 import Data.Bits (xor, shift, testBit, setBit)
 import Data.List
+import Crypto.Internal.Imports
 import Crypto.Number.Basic
 
 -- | Binary Polynomial represented by an integer